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<p><strong>大家好，我是冰河~~</strong></p> <p>从今天开始，我们正式进入《SpringCloud Alibaba实战》专栏的学习，在《开篇》一文中，我们大体介绍了整个专栏的结构安排。今天我们就再次和小伙伴们聊聊《SpringCloud Alibaba实战》专栏的设计。</p> <h2 id="整体设计"><a href="#整体设计" class="header-anchor">#</a> 整体设计</h2> <p>整个专栏在设计上大体分成十个篇章，分别为：<strong>专栏设计、微服务介绍、微服务环境搭建、服务治理、服务容错、服务网关、链路追踪、消息服务、服务配置、分布式事务</strong>。</p> <p><img alt="" data-src="https://binghe001.github.io/assets/images/microservices/springcloudalibaba/sa-2022-04-04-001.png" loading="lazy" class="lazy"></p> <p>每个大的篇章下会有一个或若干个小的章节组成，力求为大家以实战案例的形式讲清楚如何使用SpringCloud Alibaba开发实际项目。同时，如果在写专栏的过程中发现有个别知识点没有讲清楚，则会以加餐的形式为大家专门讲解这些知识点。</p> <h2 id="案例驱动"><a href="#案例驱动" class="header-anchor">#</a> 案例驱动</h2> <p>经过一段时间反复思考整个专栏的设计，最终决定整个专栏以案例驱动的形式，并且以实战的方式为大家进行讲解。在案例上，选择了大家都比较熟悉的电商项目中的用户、商品和订单模块为例，因为这些模块的核心逻辑比较简单，并且真实的电商项目一般都采用分布式或微服务的架构模式，并且都会承载高并发大流量的场景。同时，涉及到分布式或微服务的场景时，一般又会产生分布式事务的问题。</p> <p><img alt="" data-src="https://binghe001.github.io/assets/images/microservices/springcloudalibaba/sa-2022-04-04-002.png" loading="lazy" class="lazy"></p> <p>所以，整个专栏在设计上，会以电商系统中的用户、商品和订单模块为例，贯穿始末。在开发电商系统的过程中，每个阶段会产生不同的需求，而我们在每个阶段针对不同的需求，会使用SpringCloud Alibaba中的对应组件来实现。</p> <p>例如：</p> <ul><li>涉及到服务治理和服务配置的需求时，我们会使用Nacos实现。</li> <li>涉及到负载均衡的需求时，我们会使用Ribbon实现。</li> <li>涉及到远程服务调用的需求时，我们会使用Fegin实现。</li> <li>涉及到服务容错的需求时，我们会使用Sentinel实现。</li> <li>涉及到服务网关的需求时，由于目前SpringCloud Alibaba中并未提供自己的网关，所以，我们使用SpringCloud中的Gateway实现。</li> <li>涉及到链路追踪的需求时，我们会使用Sleuth+ZipKin实现。</li> <li>涉及到消息服务的需求时，我们会使用RocketMQ实现。</li> <li>涉及到分布式事务的需求时，我们会使用Seata实现。</li> <li>涉及到数据存储的需求时，我们会MySQL+ElasticSearch实现。</li></ul> <p>通过实现不同阶段的需求，并且不断解决过程中遇到的问题，最终我们会开发出一套基于微服务的简易电商系统。让大家在学习技术的同时，也能够真正学习到这些技术是如何应用到实际项目中的，真正做到学以致用。</p> <h2 id="综合对比"><a href="#综合对比" class="header-anchor">#</a> 综合对比</h2> <p>在每个章节使用SpringCloud Alibaba组件实现不同的需求时，不会仅仅介绍SpringCloud Alibaba中这一种解决问题的组件，还会介绍一些业界其他的解决方案。</p> <p>例如，在介绍链路追踪的解决方案时，我们不仅仅介绍Sleuth+ZipKin这一种解决方案，还会对比介绍Cat、Pinpoint和Skywalking这几种解决方案。</p> <p><img alt="" 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